package org.example.lotterysystem.dao.mapper;

import org.apache.ibatis.annotations.*;
import org.example.lotterysystem.dao.dataobject.PrizeDO;

import java.util.List;

@Mapper
public interface PrizeMapper {
    @Insert("insert into prize (name,image_url,price,description) " +
            "values(#{name},#{imageUrl},#{price},#{description})")
    @Options(useGeneratedKeys = true,keyColumn = "id",keyProperty = "id")
    int insert(PrizeDO prizeDo);


    @Select("select  count(1) from prize")
    int count();

    @Select("select * from prize order by id desc limit #{offset},#{pageSize}")
    @Options(useGeneratedKeys = true,keyColumn = "id",keyProperty = "id")
    List<PrizeDO> selectPrizeList(@Param("offset") Integer offset, @Param("pageSize") Integer pageSize);

    @Select("<script>" +
            " select id from prize " +
            " where id in" +
            " <foreach item = 'item' collection= 'items' open = '(' separator = ',' close = ')'>"+
            " #{item}" +
            " </foreach>"+
            " </script>")
    List<Long> selectExistByIds(@Param("items")List<Long> ids);

    @Select("<script>" +
            " select * from prize " +
            " where id in" +
            " <foreach item = 'item' collection = 'items' open = '(' separator = ',' close = ')'>"+
            " #{item}" +
            " </foreach>"+
            " </script>")
    List<PrizeDO> batchSelectByIds(@Param("items") List<Long> ids);

    @Select("select * from prize where id = #{id}")
    PrizeDO selectById(@Param("id") Long prizeId);
}
